package org.example.rabbitextensiondemo.listener;

import com.rabbitmq.client.Channel;
import org.example.rabbitextensiondemo.constant.Constants;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.io.IOException;
import java.io.UnsupportedEncodingException;

@Component
public class AckListener {
    @RabbitListener(queues = Constants.ACK_QUEUE)
    public void handMessage(Message message, Channel channel) throws Exception {
        long deliveryTag=message.getMessageProperties().getDeliveryTag();
        try {
            System.out.printf("接收到消息: %s, deliveryTag: %d \n", new String(message.getBody(),"UTF-8"), message.getMessageProperties().getDeliveryTag());
            //业务逻辑处理
            System.out.println("业务逻辑处理");
            System.out.println("业务逻辑处理");
            int num = 3/0;
            System.out.println("业务处理完成");
//            channel.basicAck(deliveryTag,false);
        } catch (Exception e) {
            channel.basicNack(deliveryTag, false, false);
        }

    }
}
